January 2018
Beginner to intermediate
402 pages
10h 6m
English
book
Practical Mobile Forensics - Third Edition
by Rohit Tamma, Oleg Skulkin, Heather Mahalik, Satish Bommisetty
Content preview from Practical Mobile Forensics - Third Edition
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Common file systems found on Android
The Extended File System (EXT), which was introduced in 1992 specifically for the Linux kernel, was one of the first file systems, and it used a virtual file system. EXT2, EXT3, and EXT4 are the subsequent versions. Journaling is the main advantage of EXT3 over EXT2. With EXT3, in case of an unexpected shutdown, there is no need to verify the file system. The EXT4 file system, the fourth extended file system, has gained significance with mobile devices implementing dual-core processors. The YAFFS2 file system is known to have a bottleneck on dual-core systems. With the Gingerbread version of Android, the YAFFS file system was swapped for EXT4.
The following are the mount points that use EXT4 on the Samsung ...